F9 4409 then DL 2472 at Atlanta
Washington → Atlanta → Rochester
Timetable, Atlanta time
23:13F9 4409 from Washington at the gate
21:50DL 2472 to Rochester leaves the gate
22 h 37 apart on the timetable, overnight
DL 2472 leaves 22 h 37 after F9 4409 arrives on the timetable: more than half a day, so not a connection we count.